Strap for Saint-Imier Date 26

The lug width of the Longines Saint-Imier L2.263.4.72.0 is 20mm. This measurement is critical for proper strap-to-case compatibility and must be verified by measuring the perpendicular distance between the inner edges of the two lugs. Straps sized at 19mm or 21mm will not fit correctly without modification, making it essential to respect this design specification.

The ideal strap choice depends on intended use and aesthetic preference. Black or dark brown alligator is the conservative choice for formal occasions; shell cordovan is ideal for daily wear with evolving patina; vegetable-tanned calf develops a fascinating patina over time. NATO fabric straps offer a more casual, sporty character, whilst natural rubber suits informal contexts. The cardinal rule is maintaining proportions light enough not to overwhelm the slim 26mm case.

The strap is changed by removing the spring bars (lugs) that secure the strap to the case. Using a spring bar tool, apply pressure from beneath the lug to release the spring mechanism. Once the spring bar is extracted, the old strap comes free easily. To install the new strap, align the spring bar with the case hole and apply gentle pressure until it clicks into position. It is advisable to perform this operation on a soft surface to avoid case damage.

Any strap with a 20mm lug width is compatible with the L2.263.4.72.0. Milano Straps' catalogue features straps in alligator, shell cordovan, calf, NATO fabric, and rubber—all crafted with artisanal quality and customisable in sizing, initials, and stitching thread. For an even more exclusive experience, the Casati Milano atelier creates bespoke straps with personal leather selection and 18-month warranty.

Leather strap longevity depends on tanning method and usage intensity. A premium alligator strap typically lasts 3-5 years with daily wear; shell cordovan, owing to its inherent robustness, can exceed 5-7 years; vegetable-tanned calf has variable durability (3-4 years) but develops a captivating patina over time. Exposure to moisture, perspiration, and temperature extremes accelerates deterioration. Regular maintenance—gentle drying and periodic conditioning—significantly extends strap lifespan.